Suborder:
|
Paraceltitina
|
Superfamily:
|
Xenodiscoidea
|
Family:
|
Paraceltitidae
|
Genus:
|
Meitianoceras |
Qualifier:
|
ge |
Author:
|
Zheng 1984,p.192
|
Lower Boundary:
|
Wuchiapingian--Changhsingian [DZH--CHX], 253.8 million years
|
Upper Boundary:
|
Permian--Triassic (Induan base), 251 million years
|